1620 Hammond Manufacturing, 1620 Datasheet
1620
Manufacturer Part Number
1620
Description
TRANSFORMER AUDIO 6.6KCT 20W
Manufacturer
Hammond Manufacturing
Series
1600r
Datasheet
1.1650T.pdf
(4 pages)
Specifications of 1620
Transformer Type
Push-Pull Audiophile, Ultra-Linear - Tube Output
Impedance
8KCT Primary, 4-8-16 Secondary
Insertion Loss
1dB Typ.
Mounting Type
Chassis Mount
Frequency Range
30 Hz to 30 MHz
Primary Impedance
6600 Ohms CT
Secondary Impedance
16 Ohms
Termination Style
Chassis Terminals
Dimensions
2.5 in L x 2.75 in W x 3.06 in H
Product
Audio Output Transformers
Power Rating
20 Watts
Shielding
Shielded
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
1620HM
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
1620 6550
Manufacturer:
PHILIPS
Quantity:
14
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16200817
Manufacturer:
INTERSI
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20 000
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NS
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Part Number:
16202476
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Part Number:
16206550
Manufacturer:
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1 573
Part Number:
16206550
Manufacturer:
INTERSIL
Quantity:
20 000
Push - Pull
•
•
•
•
•
specifications (see hook-up schematics).
•
winding is always engaged on all load configurations).
•
•
•
•
1650E (70 Hz. to 30 Khz. +/- 1 db max. - ref. 1 Khz.)
Designed for push-pull tube output circuits.
Enclosed (shielded), 4 slot, above chassis Type "X" mounting.
Frequency response 30 Hz. to 30 Khz. at full rated power (+/- 1 db max. - ref. 1 Khz) minimum. Except the
Insulated flexible leads 8" min.
Due to the unique interleaving of the windings BOTH secondary windings must be engaged to meet
Negative feedback circuits can be utilized by connecting to the Green & Black wires - 4 Ohm secondary (this
All units include 40% screen taps for Ultra-Linear operation (if desired).
Typical applications - Push-Pull: triode, Ultra-Linear pentode, and tetrode connected audio output.
For our NEW improved "easy hook-up" secondary series - see our 1608-1650 "A" series.
For the "ultimate" in Push-Pull output see our line of epoxy potted output transformers (1650 potted series).
©
Number
1650W
1650F
1650H
1650K
1650N
1650P
1650R
1650T
St. Laurent, Quebec (514) 343-9010
1608
1609
1615
1620
1645
Part
Cheektowaga, NY (716) 630-7030
Guelph, Ontario (519) 822-2960
Audio
(RMS)
Watts
100
120
280
10
10
15
20
25
30
40
50
60
60
CANADA
Audiophile - Output (1608-1650 Series)
USA
Impedance
10,000 C.T.
8,000 C.T.
5,000 C.T.
6,600 C.T.
7,600 C.T.
5,000 C.T.
6,600 C.T.
3,400 C.T.
4,300 C.T.
6,600 C.T.
5,000 C.T.
1,900 C.T.
1,900 C.T.
Primary
"CLASSIC" TUBE TYPE - ULTRA-LINEAR
Max. DC
Per Side
100 ma.
100 ma.
100 ma.
158 ma.
128 ma.
128 ma.
200 ma.
318 ma.
318 ma.
200 ma.
318 ma.
403 ma.
806 ma.
OUTPUT TRANSFORMERS
www.hammondmfg.com
Impedance
4-8-16-70 V
Secondary
4-8-16
PUSH - PULL
4-8-16
4-8-16
4-8-16
4-8-16
4-8-16
4-8-16
4-8-16
4-8-16
4-8-16
4-8-16
4-8-16
90
2.50
2.50
2.50
2.50
2.50
2.50
3.13
3.13
3.13
3.13
3.75
3.75
4.38
A
2.75
2.75
3.25
3.50
3.50
3.75
4.00
4.00
4.25
4.25
4.25
4.50
7.50
B
Dimensions (Inches)
3.06
3.06
3.06
3.06
3.06
3.06
3.81
3.81
3.81
3.81
4.56
4.56
5.25
C
2.00
2.00
2.00
2.00
2.00
2.00
2.50
2.50
2.50
2.50
3.00
3.00
3.50
D
Queenstown, Australia 61-8-8240-2244
Basingstoke, UK 01256 812812
+/- 1/16”
1.69
1.69
2.19
2.44
2.44
2.69
2.69
2.69
2.94
2.94
3.06
3.31
5.88
E
AUSTRALIA
EUROPE
.203 x .38
.203 x .38
.203 x .38
.203 x .38
.203 x .38
.203 x .38
.203 x .38
.203 x .38
.203 x .38
.203 x .38
.203 x .38
.203 x .38
.203 x .38
Slot
G
Lbs.
3.25
Wt.
2.5
2.5
3.5
4.5
6.5
12
14
28
4
7
8
8
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1620 Summary of contents
Page 1
... For the "ultimate" in Push-Pull output see our line of epoxy potted output transformers (1650 potted series). Audio Part Primary Watts Number Impedance (RMS) 1608 10 8,000 C.T. 1609 10 10,000 C.T. 1615 15 5,000 C.T. 1620 20 6,600 C.T. 1650F 25 7,600 C.T. 1645 30 5,000 C.T. 1650H 40 6,600 C.T. 1650K 50 3,400 C.T. 1650N 60 4,300 C ...
Page 2
... Push - Pull Part Audio Watts Primary Number (RMS) Impedance 1608 10 8,000 C.T. 1609 10 10,000 C.T. 1615 15 5,000 C.T. 1620 20 6,600 C.T. 1650F 25 7,600 C.T. 1645 30 5,000 C.T. 1650H 40 6,600 C.T. 1650K 50 3,400 C.T. 1650N 60 4,300 C.T. 1650P 60 6,600 C.T. 1650R 100 5,000 C ...
Page 3
... NOT have primary screen taps and will not support "Ultra-Linear" applications. Audio Part Primary Watts Number Impedance (RMS) 1608A 10 8,000 C.T. 1609A 10 10,000 C.T. 1615A 15 5,000 C.T. 1650E 15 8,000 C.T. 1620A 20 6,600 C.T. 1650FA 25 7,600 C.T. 1645A 30 5,000 C.T. 1650G 35 6,600 C.T. 1650HA 40 6,600 C.T. 1650KA 50 3,400 C.T. 1650NA 60 4,300 C ...
Page 4
... Audiophile - Output (1608-1650 "A" Series) Part Audio Watts Primary Number (RMS) Impedance 1608A 10 8,000 C.T. 1609A 10 10,000 C.T. 1615A 15 5,000 C.T. 1650E 15 8,000 C.T. 1620A 20 6,600 C.T. 1650FA 25 7,600 C.T. 1645A 30 5,000 C.T. 1650G 35 6,600 C.T. 1650HA 40 6,600 C.T. 1650KA 50 3,400 C.T. 1650NA 60 4,300 C ...